1. Tim Bell Jason Alexander Isaac Freeman and Mick Grimley. 2009. Computer science unplugged: School students doing real computing without computers. In New Zealand Journal of Applied Computing and Information Technology. 20--29. Tim Bell Jason Alexander Isaac Freeman and Mick Grimley. 2009. Computer science unplugged: School students doing real computing without computers. In New Zealand Journal of Applied Computing and Information Technology. 20--29.
2. Tim Bell Ian H. Witten and Mike Fellows. 1998. Computer Science Unplugged. .. off-line activities and games for all ages. Tim Bell Ian H. Witten and Mike Fellows. 1998. Computer Science Unplugged. .. off-line activities and games for all ages.
3. Laboratory Settings and the Study of Teacher Education
4. Approaches to Transitioning Computer Science Classes from Offline to Online